Should I remove old attic insulation before adding new?

• <div><p>Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation: </p><ul><li><p>If the insulation is over 15 years old</p></li><li><p>If the insulation is wet or moldy</p></li><li><p>If it is <a href="https://www.angi.com/articles/what-is-vermiculite-insulation.htm">vermiculite insulation</a></p></li><li><p>If you see signs of pest infestation</p></li></ul><p>Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.</p></div>

What is the best type of attic insulation?

• <div><p>The best type of attic insulation depends on where you live, your budget, and what stage of construction the attic is in. For example, if you're building a house, then structural insulated panels are a worthy investment since they're easy to install during construction and they're the most energy-efficient type of insulation. </p><p>Additionally, if you live in a very warm climate, then you can potentially save quite a bit of money by opting for reflective insulation, which is more affordable than comprehensive insulation but doesn't work well for cool climates. Blown-in, loose-fill, and spray foam insulation are all great options for attics in moderate climates.</p></div>

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Verified Reviews for Doorbell Installation pros in Clinchco, VA

*The Angi rating for Doorbell Installation companies in Clinchco, VA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Doorbell Installation needs.

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Last update on April 02, 2026

Reviewed in April 2026
This company is complete garbage. everything that comes out of their mouth is lies. they are completely rude and very unprofessional. first they advertise as offering financing they hurry and get it installed before the 3rd party bank contacts you to let you know it's over 11 percent...
Tennessee Water Technology
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Reviewed in September 2024
Great prompt service always calls you back, ensuring that you receive the assistance you need in a timely manner. They consistently deliver exceptional work and I will definitely hire this company again.
Climb High Tree Service
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Reviewed in June 2023
We were getting ready to put our home on the market and decided to replace an exterior double door. The frame had bad spots. Ed from PHI came over and verified that it wasn't just the exterior trim, but that the door frame was bad. He suggested options and pointed out different price points that...
Performance Home Improvement
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Reviewed in April 2023
Very professional and had install done in 2 days. Worked in a timely manner and very friendly. Would recommend for any roofing project.
Fortitude Construction Company, LLC
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Reviewed in August 2017
I recently purchased this home and the existing electrical work was questionable. Upgraded to 200 amp and had several new outlets installed. Jason and Wes did a great job. Jason is a great christian man and that is very important to me in anyone I hire. He seems to stay very busy and we had...
Alpha Electrical Services
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Reviewed in January 2017
Contractor called ahead to let me know he was on the way to replace my leaking kitchen sink. The "plumber" who originally installed the PVC pipes and and strainer baskets in the sink had glued all of the joints! Also, the waste line in the crawl space was never attached. I'm happy to...
All Pro Property Services
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Reviewed in April 2014
I was very pleased working with Darin on this project. When he came out for the estimate, he was on time and very professional. He thoroughly explained the work necessary to complete the job and provided an estimate that was fair, within the budget, so it worked well for me. He even made...
Live Systems, LLC
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Reviewed in October 2013
I will have to say that the guys that did the installation were great! They did amazing work!! I have no complaint with the work! <br /> My complaint is with Mike, the boss. When he did me a quote, I told him face to face that I only wanted siding. Didn't want to shell out almost $1000 extra...
ELK GARDEN ALUMINUM & SUPPLY
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Reviewed in October 2012
It was excellent. From the salesman to the installer, they were great. The windows look good and work well.
Champion Windows and Home Exteriors of Johnson City
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Top-Rated Doorbell installation pros in Clinchco - Updated Nov 2026

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Doorbell Installation FAQs, answered by experts

Yes, usually you will need some kind of vapor barrier on the exterior walls when the framing is attached to concrete and masonry surfaces.

Yes, they address underlying issues, providing long-term seals and energy savings you might need help to achieve.

Spreading tin foil over your windows works similarly to radiant barrier insulation, but not as well. It will reflect some of the sunlight that would otherwise come through the glass and warm up the inside of your home, so it might help a little to keep your home cool in the summer. However, the appearance isn’t preferable to blinds or drapes that can offer the same benefits. You might also consider tinting your windows instead, which is a more aesthetically pleasing change that can still block a good portion of the solar heat coming through your windows.

Ideally, you can add new insulation to your existing insulation. However, some circumstances require you to remove old insulation before adding any new insulation:

If the insulation is over 15 years old
If the insulation is wet or moldy
If it is vermiculite insulation
If you see signs of pest infestation

Removing old insulation is best left to a pro who can safely dispose of potential moldy or asbestos-ridden insulation.

The best type of attic insulation depends on where you live, your budget, and what stage of construction the attic is in. For example, if you're building a house, then structural insulated panels are a worthy investment since they're easy to install during construction and they're the most energy-efficient type of insulation.

Additionally, if you live in a very warm climate, then you can potentially save quite a bit of money by opting for reflective insulation, which is more affordable than comprehensive insulation but doesn't work well for cool climates. Blown-in, loose-fill, and spray foam insulation are all great options for attics in moderate climates.

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